The device consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field which the Hall IC converts into a proportional voltage.
This wireless Transceiver module is an easy and suitable module if you want to setup your wireless communication system with low cost!! This module can achieve a good balance between wireless transition performance and cost!You can easily add it with your own MCU/ARM/PIC/AVR/STM32 system!
PIR infrared sensor module is based on infrared technology, automatic control products. High sensitivity, high reliability, low power consumption, low voltage operation mode. Widely used in various auto-sensing electrical equipment, especially for battery-powered automatic control products.
The voltmeter wiring is simple, only need to pick two lines, the table reversal protection, reverse does not burn.The voltmeter start voltage is low, the red just 2.5V, just 2.7V Green, the blue just 3.0V will be able to measure correctly, start with the price of two-wire voltmeter voltage is the lowest anywhere in the world.
Ultra-small size LM2596 DC-DC 3A adjustable step-down power supply module, DC-DC Buck Converter. Application areas: DIY mobile power, communications equipment, power supply, all kinds of size and weight for demanding occasions (such as model airplane, etc.).
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